A fun realistic multiplayer free-and-open-source first-person-shooter!
oGame-like browser space realtime strategy game based on xNova
Updated client for Battletech MUX game servers
Pinewood Derby Race Management
starrydb is game server engine
MOVED OUT OF SOURCEFORGE - Server software for Minecraft PE
web cms for clans and esport related pages
MultiVice - is a fully customizable multiplayer modification for Grand
A MMORPG Engine, written in PhP and SQL
Open Source Virtual World and MMOG Development Platform
A open-source online football manager like hattrick
LetsPlay is a bukkit plugin.